1012210000111 has 4 divisors (see below), whose sum is σ = 1015403091912. Its totient is φ = 1009016908312.

The previous prime is 1012210000093. The next prime is 1012210000129. The reversal of 1012210000111 is 1110000122101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1012210000093) and next prime (1012210000129).

It is a cyclic number.

It is not a de Polignac number, because 1012210000111 - 2⁵ = 1012210000079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012210004111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596545425 + ... + 1596546058.

It is an arithmetic number, because the mean of its divisors is an integer number (253850772978).

Almost surely, 2^{1012210000111} is an apocalyptic number.

1012210000111 is a deficient number, since it is larger than the sum of its proper divisors (3193091801).

1012210000111 is an equidigital number, since it uses as much as digits as its factorization.

1012210000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193091800.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1012210000111 its reverse (1110000122101), we get a palindrome (2122210122212).

The spelling of 1012210000111 in words is "one trillion, twelve billion, two hundred ten million, one hundred eleven", and thus it is an aban number.